6.6i V8 (L8T)
GMC Savana OBD Unlock Patch
ECU access only. Performance tuning is sold separately.
Model years2018-2026
ECU identifiers6.6i V8 (L8T)
PlatformNot listed
ServiceRequest OBD unlock patch
GMC Savana OBD unlock patches
2026 GMC Savana TCU OBD Unlock Patch
6.6i V8 (L8T) · AutoTuner Bench Patch
2025 GMC Savana TCU OBD Unlock Patch
6.6i V8 (L8T) · AutoTuner Bench Patch
2024 GMC Savana TCU OBD Unlock Patch
6.6i V8 (L8T) · AutoTuner Bench Patch
2023 GMC Savana TCU OBD Unlock Patch
6.6i V8 (L8T) · AutoTuner Bench Patch
2022 GMC Savana TCU OBD Unlock Patch
6.6i V8 (L8T) · AutoTuner Bench Patch
2021 GMC Savana TCU OBD Unlock Patch
6.6i V8 (L8T) · AutoTuner Bench Patch
2020 GMC Savana TCU OBD Unlock Patch
6.6i V8 (L8T) · AutoTuner Bench Patch
2019 GMC Savana TCU OBD Unlock Patch
6.6i V8 (L8T) · AutoTuner Bench Patch
2018 GMC Savana TCU OBD Unlock Patch
6.6i V8 (L8T) · AutoTuner Bench Patch